Test Overview
Test Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reference Range *
50 - 240 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Set Up
Monday, Tuesday, Thursday, Friday
Analytic Time
7 - 14 days
Soft Order Code
MMLR
Synonyms
- Ativan
Laboratory
Sendout
Reference Laboratory
Mayo LORAZ (80459) (MedTox 64)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect trough specimen in a green top or red top tube; do not use SST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.
Normal Volume
2 mL plasma or serum
Minimum Volume
0.6 mL plasma or serum
Rejection Criteria
SST or PST tube not acceptable.
Additional Information
Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.
Billing
CPT Code
80346
LOINC
59703-9